100508-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100508-50-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,5,0 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 100508-50:
(8*1)+(7*0)+(6*0)+(5*5)+(4*0)+(3*8)+(2*5)+(1*0)=67
67 % 10 = 7
So 100508-50-7 is a valid CAS Registry Number.